From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH v5 1/2] librte_lpm: Improve performance of
 the delete and add functions
Date: Mon, 16 Jul 2018 08:17:32 -0700
Message-ID: <20180716081732.05302ae4@xeon-e3>
References: <5b4c51d3.1c69fb81.7a4de.519aSMTPIN_ADDED_MISSING@mx.google.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Cc: "dev@dpdk.org" <dev@dpdk.org>, Bruce Richardson
 <bruce.richardson@intel.com>
To: Alex Kiselev <alex@therouter.net>
Return-path: <dev-bounces@dpdk.org>
Received: from mail-pg1-f194.google.com (mail-pg1-f194.google.com
 [209.85.215.194]) by dpdk.org (Postfix) with ESMTP id B7F3D23C
 for <dev@dpdk.org>; Mon, 16 Jul 2018 17:17:35 +0200 (CEST)
Received: by mail-pg1-f194.google.com with SMTP id y5-v6so7627130pgv.1
 for <dev@dpdk.org>; Mon, 16 Jul 2018 08:17:35 -0700 (PDT)
In-Reply-To: <5b4c51d3.1c69fb81.7a4de.519aSMTPIN_ADDED_MISSING@mx.google.com>
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On Mon, 16 Jul 2018 11:05:27 +0300
Alex Kiselev <alex@therouter.net> wrote:

> librte_lpm: Improve lpm6 performance
> 
> Rework the lpm6 rule subsystem and replace
> current rules algorithm complexity O(n)
> with hashtables which allow dealing with
> large (50k) rule sets.
> 
> Signed-off-by: Alex Kiselev <alex@therouter.net>

Internet routers can have 1M rule sets.
The cost of a hash table maybe too high then?